Cassini just a few months ago also flew through the plume, and it measured silicate particles. 卡西尼太空船几个月前又从这些飞溅的水流中穿过，它检测到了硅酸盐颗粒。 Where does the silica come from? 这些硅从哪来的？ It must come from the ocean
If I asked you to name a microbe that's living in your gut, many of you would probably say E. coli. 如果请你举例说出一个生活在你肠道里的微生物，很多人可能会说大肠杆菌。 A lot of people say this. It's the best-known of the gut microbes
Families have lost their homes, businesses, and livelihoods after devastating tornadoes swept through many, many communities. 肆虐的龙卷风扫荡了很多很多的社区,众多的家庭失去了他们的房产,生意和生计。 My administration will make sure the
